Abdullah Mishari and Ahmad Alazmi

src/arrowFunctions.ts

@@ -5,9 +5,12 @@
  */
 
 // Comment out this function before starting your solution
-function greet(name: string): string {
+// function greet(name: string): string {
+
+// return `Hello ${name}`;
+const greet = (name: string) => {
   return `Hello ${name}`;
-}
+};
 
 // example:
 greet("Aziz"); // => "Hello Aziz"
@@ -24,9 +27,12 @@ greet("Aziz"); // => "Hello Aziz"
  */
 
 // Comment out this function before starting your solution
-function sum(a: number, b: number): number {
-  return Infinity;
-}
+// function sum(a: number, b: number): number {
+// return Infinity;
+// }
+const sum = (a: number, b: number): number => {
+  return a + b;
+};
 
 // example:
 sum(5, 7); // => 12
@@ -41,10 +47,13 @@ sum(5, 7); // => 12
  */
 
 // Comment out this function before starting your solution
-function square(n: number): number {
-  return Infinity;
-}
+//function square(n: number): number {
+// return Infinity;
+//}
 
+const square = (n: number): number => {
+  return n ** 2;
+};
 // example:
 square(4); // => 16
 square(10); // => 100

src/challenge.ts

@@ -12,9 +12,9 @@ import { square } from "./arrowFunctions";
  */
 
 // Comment out this function before starting your solution
-function squares(numbers: number[]): number[] {
-  return [0];
-}
+// function squares(numbers: number[]): number[] {
+//   return [0];
+// }
 
 // example:
 squares([1, 2, 3]); // => [1, 4, 9]